A PETITION backing for a second EU referendum has reached 3 million signatures.

The online petition calls on the government to implement a rule that if the Remain or Leave vote is less than 60% based a turnout less than 75% there should be another referendum.

Parliament is required to consider all petitions that drum up more than 100,000 signatures for debate in the House of Commons.

While areas that predominantly voted Remain, such as London constituencies, are highly represented on an online map showing the spread, other areas such as Truro and Falmouth in Cornwall were also high on the list, suggesting some Leave voters were seriously regretting their decision.

(Image: Unboxed)

But the petition was snubbed by Nigel Farage, who told the Sunday Mirror: “It’s the last thing I want to see. It’s not a game of the best of three.”

The response is in contrast to Mr Farage's opinion in May, when he told the Daily Mirror: “In a 52-48 referendum this would be unfinished business by a long way."

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Senior politicians in Brussels said a new vote would be welcomed there.

Belgian MP Gwenaelle Grovonius said: “To say ‘we are past the point of no return’ is too dramatic.”

Belgian MEP Claude Rolin said: “If I was a citizen of the UK, I would sign that petition.“

Boris Johnson appeared to rule out the possibility of a second referendum earlier this year, saying: “Out is out.”

But even if a second poll was held EU leaders would be reluctant to make an offer.

German leader Angela Merkel said it “shouldn’t take forever” for Britain to give formal notice of its intention to leave, though she said there was no need for remaining EU states “to be particularly nasty in the negotiations”.

European Commission chief Jean-Claude Juncker said the proposed delay until David Cameron steps down in the next three months “doesn’t make sense”.

He was backed by foreign ministers of the EU’s six founding members.

It came as a Sunday Mirror poll by COMRES showed 50 per cent of voters think the result should be honoured.

And 39 per cent would back a fresh vote if there’s a new EU deal. Most said Boris Johnson should replace David Cameron as PM.

(Image: Getty Images)

And over half said Chancellor George Osborne should quit.

Labour leader Jeremy Corbyn also ruled out supporting a second referendum.

He said: “A decision’s been made.”

He said he would fight any attempt to unseat him by MPs blaming him for a “lacklustre” referendum campaign.

Concern grew today for the Tata Steel rescue bid as backers were set to pull out due to Brexit fears – leaving 11,000 jobs in peril.

David Cameron looked strained today in his first public appearance since Friday morning.